platform: Add group interface

adapter/experimental.go

@@ -31,6 +31,7 @@ type Tracker interface {
 }
 
 type OutboundGroup interface {
+	Outbound
 	Now() string
 	All() []string
 }

adapter/prestart.go

@@ -4,12 +4,6 @@ type PreStarter interface {
 	PreStart() error
 }
 
-func PreStart(starter any) error {
-	if preService, ok := starter.(PreStarter); ok {
-		err := preService.PreStart()
-		if err != nil {
-			return err
-		}
-	}
-	return nil
+type PostStarter interface {
+	PostStart() error
 }